Boe Technology Group Co., Ltd.

Mianyang Boe Optoelectronics Technology Co., Ltd.

Danfeng Wang

Zifeng Wang

Haoyuan Fan

Xin Cao

Yawei Zhu

Yuan Shen

Lin Xiong

Jie Tu

Jianmin Fan

Qing Tang

A pixel circuit comprises a drive sub-circuit (), writing sub-circuit (), reset sub-circuit (), voltage stabilizing sub-circuit (), storage sub-circuit () and light emitting element. The drive sub-circuit is configured to provide a driving current to the light emitting element under control of signals of a first node (N) and a second node (N); the writing sub-circuit is configured to write a signal from a data signal terminal (Data) to Nunder control of signal of a scan signal terminal (Gate); the storage sub-circuit is configured to store a voltage of N; the voltage stabilizing sub-circuit is configured to stabilize a voltage of an anode terminal of light emitting element through signal of a voltage stabilizing signal terminal (V); the reset sub-circuit is configured to reset anode terminal of light emitting element under control of signal of Gate and reset Nunder control of signal of a reset control signal terminal (Reset).

Pixel circuit and driving method thereof, display panel and display device

A pixel driving circuit, a driving method thereof and a display panel are provided. The pixel driving circuit includes a driving transistor, a capacitor having two terminals connected to a first power terminal and a gate electrode of the driving transistor, and a light emitting device. The pixel driving circuit includes: a reset module; a data writing module; a threshold compensation module including a compensation transistor configured to electrically connect second and gate electrodes of the driving transistor together in the data writing phase; a light emitting control module including a first gating transistor configured to electrically connect the second electrode of the driving transistor and the light emitting device in the reset phase and disconnect the second electrode from the light emitting device in the data writing phase. The compensation transistor and the first gating transistor are oxide transistors, and the driving transistor is a low-temperature polysilicon transistor.

Pixel driving circuit, driving method thereof and display panel

Growing community of inventors

Beijing, China

Danfeng Wang